87317725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{2131}}^1$

素因数の和:2301

約数の個数: 24

約数和(自身を含む): 118965600

約数和(自身を除く): 31647875

約数列:

[1, 5, 11, 25, 55, 149, 275, 745, 1639, 2131, 3725, 8195, 10655, 23441, 40975, 53275, 117205, 317519, 586025, 1587595, 3492709, 7937975, 17463545, 87317725]

約数ペア:

[(1, 87317725), (5, 17463545), (11, 7937975), (25, 3492709), (55, 1587595), (149, 586025), (275, 317519), (745, 117205), (1639, 53275), (2131, 40975), (3725, 23441), (8195, 10655)]